28388394

素因数分解:

$2^1\times 3^4\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{401}}^1$

素因数の和:457

約数の個数: 80

約数和(自身を含む): 70044480

約数和(自身を除く): 41656086

約数列:

[1, 2, 3, 6, 9, 18, 19, 23, 27, 38, 46, 54, 57, 69, 81, 114, 138, 162, 171, 207, 342, 401, 414, 437, 513, 621, 802, 874, 1026, 1203, 1242, 1311, 1539, 1863, 2406, 2622, 3078, 3609, 3726, 3933, 7218, 7619, 7866, 9223, 10827, 11799, 15238, 18446, 21654, 22857, 23598, 27669, 32481, 35397, 45714, 55338, 64962, 68571, 70794, 83007, 137142, 166014, 175237, 205713, 249021, 350474, 411426, 498042, 525711, 617139, 747063, 1051422, 1234278, 1494126, 1577133, 3154266, 4731399, 9462798, 14194197, 28388394]

約数ペア:

[(1, 28388394), (2, 14194197), (3, 9462798), (6, 4731399), (9, 3154266), (18, 1577133), (19, 1494126), (23, 1234278), (27, 1051422), (38, 747063), (46, 617139), (54, 525711), (57, 498042), (69, 411426), (81, 350474), (114, 249021), (138, 205713), (162, 175237), (171, 166014), (207, 137142), (342, 83007), (401, 70794), (414, 68571), (437, 64962), (513, 55338), (621, 45714), (802, 35397), (874, 32481), (1026, 27669), (1203, 23598), (1242, 22857), (1311, 21654), (1539, 18446), (1863, 15238), (2406, 11799), (2622, 10827), (3078, 9223), (3609, 7866), (3726, 7619), (3933, 7218)]